<template>
  <a-modal
    :title="title"
    :width="width"
    :visible="visible"
    :confirmLoading="confirmLoading"
    @ok="handleOk"
    @cancel="handleCancel"
    :destroyOnClose="true"
    cancelText="关闭">
    <a-spin :spinning="confirmLoading">
      <a-form-model ref="form" :model="model" :rules="validatorRules">

        <a-form-model-item label="父级节点" :labelCol="labelCol" :wrapperCol="wrapperCol" prop="pid">
          <j-tree-select
            ref="treeSelect"
            placeholder="请选择父级节点"
            v-model="model.pid"
            dict="sys_category,name,id"
            pidField="pid"
            pidValue="0"
            :disabled="disabled">
          </j-tree-select>
        </a-form-model-item>

        <a-form-model-item label="分类名称" :labelCol="labelCol" :wrapperCol="wrapperCol" prop="name">
          <a-input v-model="model.name" placeholder="请输入分类名称"></a-input>
        </a-form-model-item>

      </a-form-model>
    </a-spin>
  </a-modal>
</template>

<script>

  import { httpAction } from '@/api/manage'
  import JTreeSelect from '@/components/jeecg/JTreeSelect'

  export default {
    name: 'SysCategoryModal',
    components: {
      JTreeSelect
    },
    data() {
      return {
        title: '操作',
        width: 800,
        visible: false,
        model: {},
        labelCol: {
          xs: { span: 24 },
          sm: { span: 5 }
        },
        wrapperCol: {
          xs: { span: 24 },
          sm: { span: 16 }
        },

        confirmLoading: false,
        validatorRules: {
          pid: {},
          name: [{ required: true, message: '请输入类型名称!' }]
        },
        url: {
          add: '/sys/category/add',
          edit: '/sys/category/edit',
          checkCode: '/sys/category/checkCode'
        },
        expandedRowKeys: [],
        pidField: 'pid',
        subExpandedKeys: []

      }
    },
    created() {
    },
    computed: {
      disabled() {
        return !!this.model.id
      }
    },
    methods: {
      add() {
        this.edit({})
      },
      edit(record) {
        this.model = Object.assign({}, record)
        this.visible = true
      },
      close() {
        this.$emit('close')
        this.visible = false
        this.$refs.form.resetFields()
      },
      handleOk() {
        const that = this
        // 触发表单验证
        this.$refs.form.validate(valid => {
          if (valid) {
            that.confirmLoading = true
            let httpurl = ''
            let method = ''
            if (!this.model.id) {
              httpurl += this.url.add
              method = 'post'
            } else {
              httpurl += this.url.edit
              method = 'put'
            }
            httpAction(httpurl, this.model, method).then((res) => {
              if (res.success) {
                that.$message.success(res.message)
                // close的时候清空了表单的值 导致model为空 修改值在列表页没有变 此处需要复制一下model
                that.submitSuccess({ ...this.model })
              } else {
                that.$message.warning(res.message)
              }
            }).finally(() => {
              that.confirmLoading = false
              that.close()
            })
          } else {
            return false
          }
        })
      },
      handleCancel() {
        this.close()
      },
      submitSuccess(formData) {
        if (!formData.id) {
          let treeData = this.$refs.treeSelect.getCurrTreeData()
          this.expandedRowKeys = []
          this.getExpandKeysByPid(formData[this.pidField], treeData, treeData)
          if (formData.pid && this.expandedRowKeys.length == 0) {
            this.expandedRowKeys = this.subExpandedKeys
          }
          this.$emit('ok', formData, this.expandedRowKeys.reverse())
        } else {
          this.$emit('ok', formData)
        }
      },
      getExpandKeysByPid(pid, arr, all) {
        if (pid && arr && arr.length > 0) {
          for (let i = 0; i < arr.length; i++) {
            if (arr[i].key == pid) {
              this.expandedRowKeys.push(arr[i].key)
              this.getExpandKeysByPid(arr[i]['parentId'], all, all)
            } else {
              this.getExpandKeysByPid(pid, arr[i].children, all)
            }
          }
        }
      }

    }
  }
</script>
